<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>帮助中心 - 外卖APP</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css">
    <style>
        body {
            margin: 0;
            padding: 0;
            background: #f5f5f5;
            font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
            color: #333;
        }
        .phone-container {
            width: 390px;
            height: 844px;
            margin: 20px auto;
            background: white;
            position: relative;
            overflow: hidden;
            box-shadow: 0 0 20px rgba(0,0,0,0.1);
            border-radius: 40px;
        }
        .content {
            height: 100%;
            overflow-y: auto;
            background-color: #f8f9fa;
        }
        .header {
            background: #0095ff;
            color: white;
            padding: 16px;
            position: sticky;
            top: 0;
            z-index: 100;
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .back-btn {
            color: white;
            text-decoration: none;
            font-size: 20px;
            display: flex;
            align-items: center;
        }
        .header-title {
            font-size: 18px;
            font-weight: 600;
            margin: 0;
            flex-grow: 1;
            text-align: center;
            margin-right: 24px;
        }
        .search-container {
            padding: 15px;
            background: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.03);
        }
        .search-box {
            display: flex;
            align-items: center;
            background: #f5f5f5;
            border-radius: 20px;
            padding: 8px 15px;
        }
        .search-box i {
            color: #999;
            font-size: 16px;
            margin-right: 8px;
        }
        .search-input {
            border: none;
            outline: none;
            background: transparent;
            flex: 1;
            font-size: 14px;
            color: #333;
        }
        .search-input::placeholder {
            color: #999;
        }
        .help-container {
            padding: 15px;
        }
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-bottom: 20px;
        }
        .category-item {
            background: white;
            border-radius: 12px;
            padding: 15px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            box-shadow: 0 2px 10px rgba(0,0,0,0.03);
            text-decoration: none;
            color: inherit;
        }
        .category-icon {
            font-size: 24px;
            color: #0095ff;
            background: rgba(0, 149, 255, 0.08);
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            margin-bottom: 10px;
        }
        .category-title {
            font-size: 14px;
            font-weight: 500;
        }
        .category-desc {
            font-size: 12px;
            color: #999;
            margin-top: 5px;
        }
        .section-title {
            font-size: 16px;
            font-weight: 600;
            margin: 20px 0 15px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .section-title i {
            color: #0095ff;
            font-size: 18px;
        }
        .faq-list {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0,0,0,0.03);
        }
        .faq-item {
            padding: 15px;
            border-bottom: 1px solid #f0f0f0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-item i {
            color: #0095ff;
            font-size: 16px;
        }
        .faq-text {
            font-size: 14px;
            flex: 1;
        }
        .faq-arrow {
            color: #ccc;
            font-size: 14px;
        }
        .contact-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: white;
            border-radius: 12px;
            padding: 15px;
            margin-top: 20px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.03);
            text-decoration: none;
            color: #0095ff;
            font-size: 15px;
            font-weight: 500;
        }
        .contact-btn i {
            font-size: 18px;
        }
    </style>
</head>
<body>
    <div class="phone-container">
        <div class="content">
            <div class="header">
                <a href="user.html" class="back-btn">
                    <i class="bi bi-chevron-left"></i>
                </a>
                <h1 class="header-title">帮助中心</h1>
            </div>

            <div class="search-container">
                <div class="search-box">
                    <i class="bi bi-search"></i>
                    <input type="text" class="search-input" placeholder="搜索问题">
                </div>
            </div>

            <div class="help-container">
                <div class="category-grid">
                    <a href="#" class="category-item">
                        <div class="category-icon">
                            <i class="bi bi-cart"></i>
                        </div>
                        <div class="category-title">订单问题</div>
                        <div class="category-desc">订单状态、取消订单</div>
                    </a>
                    <a href="#" class="category-item">
                        <div class="category-icon">
                            <i class="bi bi-cash-coin"></i>
                        </div>
                        <div class="category-title">支付退款</div>
                        <div class="category-desc">支付方式、退款进度</div>
                    </a>
                    <a href="#" class="category-item">
                        <div class="category-icon">
                            <i class="bi bi-truck"></i>
                        </div>
                        <div class="category-title">配送问题</div>
                        <div class="category-desc">配送时间、配送范围</div>
                    </a>
                    <a href="#" class="category-item">
                        <div class="category-icon">
                            <i class="bi bi-shield-check"></i>
                        </div>
                        <div class="category-title">账号安全</div>
                        <div class="category-desc">登录问题、账号保护</div>
                    </a>
                </div>

                <div class="section-title">
                    <i class="bi bi-star-fill"></i>
                    <span>热门问题</span>
                </div>
                <div class="faq-list">
                    <a href="#" class="faq-item" style="text-decoration: none; color: inherit;">
                        <i class="bi bi-question-circle"></i>
                        <div class="faq-text">如何申请退款？</div>
                        <i class="bi bi-chevron-right faq-arrow"></i>
                    </a>
                    <a href="#" class="faq-item" style="text-decoration: none; color: inherit;">
                        <i class="bi bi-question-circle"></i>
                        <div class="faq-text">订单送错了怎么办？</div>
                        <i class="bi bi-chevron-right faq-arrow"></i>
                    </a>
                    <a href="#" class="faq-item" style="text-decoration: none; color: inherit;">
                        <i class="bi bi-question-circle"></i>
                        <div class="faq-text">优惠券使用规则是什么？</div>
                        <i class="bi bi-chevron-right faq-arrow"></i>
                    </a>
                    <a href="#" class="faq-item" style="text-decoration: none; color: inherit;">
                        <i class="bi bi-question-circle"></i>
                        <div class="faq-text">如何修改收货地址？</div>
                        <i class="bi bi-chevron-right faq-arrow"></i>
                    </a>
                    <a href="#" class="faq-item" style="text-decoration: none; color: inherit;">
                        <i class="bi bi-question-circle"></i>
                        <div class="faq-text">忘记密码怎么办？</div>
                        <i class="bi bi-chevron-right faq-arrow"></i>
                    </a>
                </div>

                <a href="customer-service.html" class="contact-btn">
                    <i class="bi bi-headset"></i>
                    <span>联系在线客服</span>
                </a>
            </div>
        </div>
    </div>
</body>
</html> 